Simply Cycling 26 Inch x 1.75-2.125 Inner Tube with Schrader Valve

Simply Cycling CC004 Inner Tube, 26 x 1.75-2.125, Schrader ValveA 26 inch tube in the 1.75 to 2.125 width range covers many bikes: mountain bikes, hybrids, cruisers and most of what has been sold as a general purpose bike over the last thirty years. The Simply Cycling Inner Tube is made from butyl rubber and air leakage tested, so it holds pressure between rides rather than needing pumping up every time you get it out of the shed.Which valve do I need?This one has a Schrader valve, the wider type also used on car tyres. It is the valve fitted to most mountain bikes, hybrids and children's bikes, and it takes any standard pump, including the airline at a petrol station.The way to check is to look at the old tube or the hole in the rim. A Schrader valve is about 8mm across with a small pin in the centre and a threaded outer sleeve. A Presta valve is narrower, around 6mm, with a small nut on top that unscrews. The rim hole matters most: a Schrader valve will not pass through a rim drilled